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Effect of solution treatment on fatigue properties of Magnesium alloy

Daud M.A.M., and Omar M.Z., and Syarif J., and Sajuri Z., (2009) Effect of solution treatment on fatigue properties of Magnesium alloy. International Journal of Mechanical and Materials Engineering, 4 (2). pp. 204-207. ISSN 1823-0334

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Official URL: http://ejum.fsktm.um.edu.my/ArticleInformation.aspx?ArticleID=786

Affiliations

Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Dept. of Mechanical and Materials Engineering
Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Dept. of Mechanical and Materials Engineering
Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Dept. of Mechanical and Materials Engineering
Universiti Kebangsaan Malaysia, Faculty of Engineering and Built Environment, Dept. of Mechanical and Materials Engineering

Abstract

The effect of solution heat treatment on fatigue properties of AZ61 magnesium alloy was investigated. The test was done by using a pneumatic fatigue testing machine under constant amplitude loading of frequency of 10 Hz. The results showed that the difference of fatigue strength for solution treated and as-extruded specimen was 30 MPa. SEM fracture surface observation showed that there were foreign particles at the crack nucleation site for solution treated specimens. The foreign particles were identified as SiC particles. However, there was no foreign particle observed on the fracture surface of the as-extruded specimen and fatigue fracture origin was relatively flat.

Item Type:Journal
Keywords:Solution treatment, foreign particle, crack initiation, fatigue, magnesium alloy
Subjects:T Technology, Engineering
ID Code:10311

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Russel-Stevens, Todd, R.,Papakyriacou, M., 2005. The Effect of Thermal Cycling on Properties of a Carbon Fiber Reinforced Magnesium Composite. Mater. Sci. Engng A397. 249-256.

Srivatsan, T.S., Meslet Al-Hajri, Lam, P.C. 2005. The Quasi-Static, Cyclic Fatigue and Final Fracture Behavior of Magnesium Alloy Metal-Matric Composite. Composite: Part B 36. 209-222.

William, F.S. 2006. Foundations of Materials Science and Engineering, Fourth Eds., McGraw-Hill International.

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